The circle $x^{2} + y^{2} + 4 x - 4 y + 4 = 0$ touches

x-axis

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y-axis

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x-axis and y-axis

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None of these

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Solution

The correct option is C x-axis and y-axis
Both axes, as centre is (-2, 2) and radius is 2.

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The circle x2+y2+4x−4y+4=0 touches

The correct option is C x-axis and y-axisBoth axes, as centre is (-2, 2) and radius is 2.

The circle $x^{2} + y^{2} + 4 x - 4 y + 4 = 0$ touches

The correct option is C x-axis and y-axis
Both axes, as centre is (-2, 2) and radius is 2.